JAVA_Thread_interrupt

package com.kk.thread;
/**
 * 不调用stop方法退出线程 
 *
 */
public class TestThread {
    public static void main(String[] args) {
        Thread1 thread=new Thread1();
        thread.start();
        int index=0;
        while(true){
            if(index++==500){
                thread.stopThread();
                thread.interrupt();
                break;
            }
            System.out.println(Thread.currentThread().getName());
        }
        System.out.println("main() exit");
    }
}

class Thread1 extends Thread {
    boolean b=false;
    public synchronized void run() {
        while(!b){
            try {
                wait();
            } catch (InterruptedException e) {
                if(b)return;
            }
            System.out.println("hallo");
        }
    }
    
    public void stopThread(){
        b=true;
    }
}